package com.owen.other;

import java.math.BigDecimal;

public class Refer {

    public static void main(String[] args) {

        
        BigDecimal aaa = new BigDecimal(10);
        
        BigDecimal bbb = aaa;
        
        bbb = BigDecimal.valueOf(200l).subtract(aaa);
        
        
        System.out.println(aaa);
        System.out.println(bbb);
        
    }

}
